Rapamycin and Longevity: The Most Exciting Anti-Aging Drug Science Has Found

Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy In 1972, a Canadian research expedition collected soil samples from Easter Island – known in the indigenous language as Rapa Nui. The samples sat in freezer storage for years, largely forgotten. When researchers eventually analysed them, […]

How Accurate Are Sleep Tracking Apps? A Doctor’s Honest Assessment

⚗ Medically Written & ReviewedWritten and reviewed by Dr. Ajit Kumar, MD (Medicine) | MA (Psychology), Founder of Medimadad. Last reviewed: May 2026. This article is for informational purposes only and does not constitute medical advice. Read our Editorial Policy. Medical Review: This article was reviewed by Dr. Ajit Kumar, MD (Medicine) — Healthcare Consultant […]

Zone 2 Cardio: The Science Behind the Training Method Everyone Is Talking About

⚗ Medically Written & ReviewedWritten and reviewed by Dr. Ajit Kumar, MD (Medicine) | MA (Psychology), Founder of Medimadad. Last reviewed: May 2026. This article is for informational purposes only and does not constitute medical advice. Read our Editorial Policy. Key Takeaways Zone 2 cardio — low-to-moderate intensity aerobic exercise — is the most evidence-backed […]

Do Sleep Trackers Actually Work? An Honest Review of the Science

⚗ Medically Written & ReviewedWritten and reviewed by Dr. Ajit Kumar, MD (Medicine) | MA (Psychology), Founder of Medimadad. Last reviewed: May 2026. This article is for informational purposes only and does not constitute medical advice. Read our Editorial Policy. Key Takeaways Consumer sleep trackers are reasonably accurate at detecting total sleep time (within 30-45 […]

Berberine vs Metformin: Can a Plant Compound Match a Prescription Drug?

Medically Written & Reviewed By Dr. Ajit Kumar, MD (Medicine) — Founder, Medimadad. About the Author | Editorial Policy Berberine has been called “nature’s Ozempic” in viral social media posts, “nature’s metformin” in research papers, and “the supplement that works like a drug” in the longevity community. Unlike most supplement claims, berberine has unusually strong […]

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